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The TrueBooker WordPress plugin before 1.2.7 does not have proper authorisation checks in one of its AJAX actions, allowing unauthenticated users to change the status of arbitrary appointments, as well as to trigger notification emails to the affected customers.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Truebooker Appointment Booking Plugin | — | Update truebooker-appointment-booking plugin to version 1.2.7, or a newer patched version | Oct 30, 2026 | Aug 21, 2026 |
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